.w{
    width: 1000px;
    margin: 0 auto;
}
.header{
    height: 40px;
    line-height: 40px;
    background-color: #333333;
    position: relative;
}
.topbar-login{
    float: left;
    margin-left: 30px;

}
.topbar-nav{
    float: left;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    color: #919191;
}

.topbar-cart{
    float: right;
    margin-right: 30px;
}

.topbar-info{
    float: right;
    margin-right: 100px;
}

.nav-bar{
    height: 80px;
    line-height: 80px;
    text-align: center;
    background-color: rgb(255, 255, 255);
}

.navbar-search{
    float: right;
}

.navbar-buttons{
    float: left;
}
.navbar-buttons a{
    padding: 0 2px;
} 
.navbar-buttons a::after{
    content: '|';
    margin-left: 2px;
}

.navbar-buttons a:hover{
    color: #FF6700;
}

.header-top{
    position: relative;
    border: 1px solid #e0e0e0;
    height: 110px;
    line-height: 110px;
}

.header-top-logo{
    float: left;
    height: 50px;
}
.header-top-mind{
    position: absolute  ;
    top: 50%;
    left: 32%;
    width: 300px;
    height: 50px;
    transform: translateY(-50%);
    border: 1px solid #FF6700;
    border-radius: 8px;
}
.header-top-mind input{
    position: absolute  ;
    width: 250px;
    height: 50px;
    border: none;
    outline: none;
}
.header-top-mind button{
    position: absolute  ;
    left: 250px;
    width: 50px;
    height: 50px;
    border: none;
    outline: none;
}


.hotwords{
    position: absolute  ;
    top: 86px;
    width: 250px;
    height: 50px;
    border: none;
    outline: none;
}

.category{
    margin: 10px auto;
}

.category-item{
    float: left;
}
.category-item ul li a:hover{
    display: block; /* 块级元素 */
    background-color: #FF6700; /* 背景颜色 */
}
.category-image{
    float: right;
}
.category-image img{
    width: 850px; /* 宽度 */
}

a{
    text-decoration: none;
    color: #919191;
}

a:hover{
    color: white;
}


